VTech IS741 Accessory Audio/Video Doorbell Camera for use with IS7121-Series System

This accessory snaps a photo of people coming towards your phone and allows you to decide if youd like to answer the door and the audio and video feature means you can hear as well as see whos outside your door at all times. only compatible with the TV-IS7121 base includes: doorbell power adapter, doorbell with wall mount cover, doorbell wall mount plate, 2 alkaline batteries, users manual plastic imported